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From: Achilleus Mantzios <achill@matrix.gatewaynet.com>
To: rcolmegna@tiscali.it <rcolmegna@tiscali.it>
Cc: pgsql-sql@postgresql.org
Subject: Re: schema inspection
Date: Thu, 16 Mar 2006 18:45:20 +0200 (EET)
Message-ID: <Pine.LNX.4.44.0603161844490.24076-100000@matrix.gatewaynet.com> (raw)
In-Reply-To: <9099192.1142520951367.JavaMail.root@ps10>

O rcolmegna@tiscali.it Ýãñáøå óôéò Mar 16, 2006 :

> Hi,
> 
> supposing to have a small DB:
> 
> TABLE a (
>   id SERIAL PRIMARY KEY
> );
> 
> TABLE b (
>   id SERIAL PRIMARY KEY,
>   idA INTEGER NOT NULL REFERENCES a(id)
> );
> 
> How can I inspect pg_schema/information_schema to "detect" the 
> relation between "b" and "a" via "idB"?
> 

pg_catalog.pg_constraint is your (only?) friend.

> TIA
> Roberto Colmegna
> 
> 
> 
> 
> 		
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> 

-- 
-Achilleus




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